Messrs. Hall also make this class of
refrigerator without the steam cylinder, and arranged to be driven by
a belt from a gas engine or any existing motive power.
* * * * *
A GAS RADIATOR AND HEATER.
[Illustration: Fig. 1 & Fig. 2 A GAS RADIATOR AND HEATER.]
There is now being introduced into Germany a gas radiator and heater,
the invention of Herr Wobbe. It consists, as will be seen in engraving
above, of a series of vertical U-shaped pipes, of wrought iron, 50
millimeters (2 inches) in diameter. The two legs of the U are of
unequal length; the longer being about 5 feet, and the shorter 3 feet
(exclusive of the bend at the top). Beneath the open end of the
shorter leg of each pipe is placed a burner, attached to a horizontal
gas-pipe, which turns upon an axis. The object of having this pipe
rotate is to bring the burners into an inclined position--shown by the
dotted lines in Fig. 2--for lighting them. On turning them back to the
vertical position, the heated products of combustion pass up the
shorter tube and down the longer, where they enter a common
receptacle, from which they pass into the chimney or out of doors.
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